Şırınga Ucu ve Membrane Filtreler


1) Size (diameter): 4, 13, 15, 25, 30, 33mmφ You can select it to fit sample volume.

2) Pore Size:0.2μm、0.45μm You can select it to fit particle size of HPLC column.

3) Membrane Type

4) Chemical Resistance

MEMBRANE TYPE                                                                       CHARACTERISTICS

Cellulose Acetate (CA)                                  Low protein binding, Biological fluid, Protein, Tissue culture media filtration

Mixed Cellulose Esters (MCE)                      High protein binding, Protein removal operation Polyethersulfone

(PES)                                                               Low drug and protein binding, Medicine manufacture, Pharmaceutical study Nylon

(NY)                                                                 High protein binding, Filtration of special beverage

PTFE Hydrophilic                                           Hydrophilic membrane with highest chemical resistance

PTFE Hydrophobic                                         Hydrophobic membrane for organic solvents

PVDF Hydrophilic                                           Hydrophilic membrane with the broadest utility

Regenerated Cellulose (RC)                          It’s the only one filter resistant to THF (Tetrahydrofuran).

Applications by filtration membrane

• Filtration of strong acids and aggressive solutions
• Drug Metabolite Studies (Protein PPT)
• Clarification of aqueous and organic solvent solutions
• HPLC sample preparation
• Chromatography

• Filtration of Aqueous and Organic Solutions
• Analytical Sample Prep, uHPLC
• Chromatography
• Clarification
• Protein Chemistry


• Biological Studies
• ICP Sample Preparation
• Dissolution Testing

• Biological Studies
• Clarification Studies (wine industry)
• Dissolution Testing

• Clarification of aqueous and organic solvent solutions
• HPLC sample preparation
• Chromatography


Bottle-top Filters



Description and Use

For filtration of medium volumes, cell culture media and HPLC solutions.

Features & Benefits

Complete 500 ml units with tubing nozzle for attaching to bottles (bottle-top)
Connection seals on any standard bottles 33 to 45 mm
Membrane diameter 76 mm, filter area 39.2 cm2
ZapCap-S with included glass fiber prefilter for high flow rates
ZapCap-S Plus with integral glass fiber prefilter for very high flow rates
ZapCap-CR, the chemical-resistant bottle-top filter
Can be used up to 50ºC 

Typical Applications

ZapCap-S - Filtration of cell culture media

  1. Cellulose acetate membrane filters (CA) with extremely low protein binding for cell culture media and other aqueous solutions
  2. Sterile filtration of solutions which cannot be autoclaved

ZapCap-S Plus - Sterile filtration and clarification of difficult-to-filter aqueous solutions
ZapCap-CR - Filtration of HPLC solutions

1. Polyamide membrane filters (NYL) for filtering down to 0.2 µm in HPLC/FPLC solutions when the column packing is 10 μm
2. PTFE membrane filters for filtering down to 0.45 µm in organic solutions; strong acids or aldehydes